Ninety-degree welding bracket



FIG. 1 is a top plan view of a ninety-degree welding bracket showing my new design;

FIG. 2 is a front elevational view thereof, with the right side elevational view appearing as a mirror image of the front elevational view;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a left side elevational view thereof, with the rear elevational view appearing as a mirror image of the left side elevational view. 

The ornamental design for a ninety-degree welding bracket, as shown and described. 